<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"
    />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>画图板</title>
    <style>
      * {
        margin: 0 auto;
        padding: 0;
        box-sizing: border-box;
      }

      #canvas {
        display: block;
      }
    </style>
  </head>
  <body>
    <canvas id="canvas"></canvas>
    <script src="./main.js"></script>
  </body>
</html>
